精益生产的内涵（The connotation of lean production）.docVIP

精益生产的内涵（The connotation of lean production） Editors note: by TOYOTA founded lean management is developed by lean production as a set of lean management thinking, the philosophy is simplified to the maximum extent and eliminate waste, remove all non value added activities, maintain a high level of quality, continuous improvement of enterprises to maintain vitality. To sum up TOYOTAs production ideas, we can say that its essence is to completely eliminate waste. TOYOTA summed up 7 forms of waste: 1, excessive manufacturing waste; 2, inventory waste; 3, poor quality waste; 4, waiting for the waste; 5, waste caused by handling; 6, waste caused by processing; 7, the waste of action. (1) in order to eliminate waste, TOYOTA has adopted the management means of JIT (prompt stock system). TOYOTA assumed that inventory is the root of all evil , because of the unnecessary inventory backlog, the enterprise funds, increasing the cost of capital; more important is because of the inventory, production line even if unqualified workers can easily repair, and release of zero repair the rate of pursuit, Shanghai with words as ramming paste stocks opened convenient ways. JIT is a demand driven production and supply process. (two) to delete all non value added activities is to refine and analyze the enterprise value chain, and to ensure that each segment and every link of the value chain has its own value added. Analysis of the value chain in each part of the activities of the value of each step, each step has its own value increase; in support of the activities of each part of the post, each person has its existence value. Eliminate any value-added actions, links, and steps. China to win that business: Manufacturing time = processing time + inspection time + handling time + waiting time The value-added part of this formula is only processing time, and the remaining three periods will not increase in value. The idea of JIT is to use all means to reduce or eliminate the three period of ti